CONDENSED CONSOLIDATED UNAUDITED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid in Capital	Accumulated Deficit	Total
Beginning balance, shares at Dec. 31, 2018	79,591,880
Beginning balance, amount at Dec. 31, 2018	$ 106,494	$ 23,763	$ (129,191)	$ 1,066
Adjustment January 1, 2019 (Note 2)	313		(430)	(117)
Stock-based compensation		54		54
Net loss			(1,195)	(1,195)
Ending balance, shares at Sep. 30, 2019	79,591,880
Ending balance, amount at Sep. 30, 2019	$ 106,807	23,817	(130,816)	(192)
Beginning balance, shares at Jun. 30, 2019	79,591,880
Beginning balance, amount at Jun. 30, 2019	$ 106,807	23,797	(130,452)	152
Stock-based compensation		20		20
Net loss			(364)	(364)
Ending balance, shares at Sep. 30, 2019	79,591,880
Ending balance, amount at Sep. 30, 2019	$ 106,807	23,817	(130,816)	(192)
Beginning balance, shares at Dec. 31, 2019	103,966,880
Beginning balance, amount at Dec. 31, 2019	$ 112,208	23,831	(131,134)	4,905
Stock option exercise, shares	334,887
Stock option exercise, amount	$ 106			106
Stock-based compensation		277		277
Net loss			(2,245)	(2,245)
Ending balance, shares at Sep. 30, 2020	104,301,767
Ending balance, amount at Sep. 30, 2020	$ 112,314	24,108	(133,379)	3,043
Beginning balance, shares at Jun. 30, 2020	104,301,767
Beginning balance, amount at Jun. 30, 2020	$ 112,314	23,996	(132,519)	3,791
Stock-based compensation		112		112
Net loss			(860)	(860)
Ending balance, shares at Sep. 30, 2020	104,301,767
Ending balance, amount at Sep. 30, 2020	$ 112,314	$ 24,108	$ (133,379)	$ 3,043